US5217610A - Apparatus for removing metal particles from a liquid and method for making same - Google Patents
Apparatus for removing metal particles from a liquid and method for making same Download PDFInfo
- Publication number
- US5217610A US5217610A US07/852,328 US85232892A US5217610A US 5217610 A US5217610 A US 5217610A US 85232892 A US85232892 A US 85232892A US 5217610 A US5217610 A US 5217610A
- Authority
- US
- United States
- Prior art keywords
- sheath
- magnet
- pockets
- support ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 32
- 239000002923 metal particle Substances 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims description 7
- 230000005291 magnetic effect Effects 0.000 claims abstract description 8
- 239000004744 fabric Substances 0.000 claims description 40
- 238000001914 filtration Methods 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 13
- 229920000728 polyester Polymers 0.000 claims description 8
- 239000004743 Polypropylene Substances 0.000 claims description 6
- 229920001155 polypropylene Polymers 0.000 claims description 6
- -1 polypropylenes Polymers 0.000 claims description 6
- 125000001989 1,3-phenylene group Chemical group [H]C1=C([H])C([*:1])=C([H])C([*:2])=C1[H] 0.000 claims description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims description 3
- 229920000297 Rayon Polymers 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 239000002964 rayon Substances 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 2
- 239000004952 Polyamide Substances 0.000 claims description 2
- 239000010962 carbon steel Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 claims description 2
- 229920002647 polyamide Polymers 0.000 claims description 2
- 239000003344 environmental pollutant Substances 0.000 claims 2
- 231100000719 pollutant Toxicity 0.000 claims 2
- 150000001242 acetic acid derivatives Chemical class 0.000 claims 1
- 238000004140 cleaning Methods 0.000 claims 1
- 239000002245 particle Substances 0.000 abstract description 6
- 239000000919 ceramic Substances 0.000 description 18
- 229910052751 metal Inorganic materials 0.000 description 14
- 239000002184 metal Substances 0.000 description 14
- 239000003973 paint Substances 0.000 description 7
- 239000010730 cutting oil Substances 0.000 description 3
- 229920000784 Nomex Polymers 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 239000004763 nomex Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002920 hazardous waste Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000013528 metallic particle Substances 0.000 description 1
- 238000005555 metalworking Methods 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000010913 used oil Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/06—Filters making use of electricity or magnetism
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/28—Magnetic plugs and dipsticks
- B03C1/286—Magnetic plugs and dipsticks disposed at the inner circumference of a recipient, e.g. magnetic drain bolt
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C2201/00—Details of magnetic or electrostatic separation
- B03C2201/18—Magnetic separation whereby the particles are suspended in a liquid
Definitions
- the invention concerns an apparatus for removing metal particles from a liquid.
- the invention particularly concerns such an apparatus where a bag filter is used, the liquid to be filtered is passed through the bag filter.
- manufacturers of metal products that use an ELPO system have a recirculating paint bath that the metal products are submerged in wherein the paint pigment is electronically deposited on the metal.
- the paint pigment is electronically deposited on the metal.
- metal slivers and weld balls are initially washed off the products and are then electronically deposited back on the products to show up as dirt in the paint.
- a filter bag with a particular micron size to maintain cleanliness specifications, dirt particles are removed, but by the nature of the metal particles, they are able to work themselves through the filter media and still contaminate the paint bath.
- the metal cannister filters have been ineffective in preventing metal particles which have collected around the magnets from coagulating and breaking away from the magnetic force. In fact, the metal cartridges often become clogged with metal particles which have been removed from the liquid. The metal cartridge filters have also failed in their attempts to present a filter in which the magnets are easily replaced, and the filter is easily cleaned. In addition, the metal filters which contain a pleated-paper filter often tear and thus, cease to perform their filtration function.
- An apparatus for filtering metal particles from liquids comprises a porous sheath having an open upper end, a closed lower and a longitudinal axis, a support ring circumferentially attached to the open end of the sheath, a plurality of longitudinally aligned elongated pockets having open and closed ends attached to the inner surface of said sheath, the open end adjacent to said support ring and the closed end adjacent to the closed end of said sheath, and a plurality of linearly elongated magnets received within said pockets wherein one of said magnets corresponds to one of said pockets.
- Two handles are attached to the support ring, the handles extending away from the sheath.
- the filter is that a variety of porous fabrics may be used to form the filter.
- the advantage over the metal cartridge filters previously used is that the fabrics may be chosen so the useful life of the filter is increased.
- the filter may be customized to be compatible with the liquid to be filtered.
- a polyester-based fabric is useful to filter oils which are used at a high temperature.
- a fabric bag according to the present invention is capable of removing oils and metallic particles, and other particulates.
- Another feature of the invention is the linear elongated pockets which serve to hold the magnets.
- the placement of the fabric allows it to pick up more particles from the liquid.
- the fabric used for the pocket is the same as the bag or a similarly compatible material for the application.
- the use of felted fabric used in the pockets give the metal particles and weld balls a place to rest on the fabric to prevent migration once maximum usage is achieved.
- Another feature of the invention is the use of a durable linearly elongated bar magnets.
- the advantage of the use of a bar magnets over a series of magnets, as illustrated in the prior art, is that the series of magnets is likely to lose its effectiveness.
- the bar magnet is designed so it loses only one-half of 1% of its strength in 100 years.
- Another advantage is that by using a durable magnet, the filter is able to withstand both high and low liquid temperatures.
- the most important feature, when combining all of the previously described attributes of the invention is the increased useful life.
- the advantages of a filter with an increased useful life are the following: the cost to use the filter is lower because the components do not need to be replaced as often as other embodiments, the magnets are of a high quality that do not lose their strength, and the fabric used to form the filter is durable. In addition, the magnets may be removed from the filter, the magnets cleaned and then reused.
- FIG. 1 is a diagrammatic view of a bag filter with space for three magnets in accordance with the present invention.
- FIG. 2 is a diagrammatic view illustrating the shape of the linearly elongated magnets used with the bag filter shown in FIG. 1.
- FIG. 3 is a cross-sectional view of a pocket taken along the line 3--3 in FIG. 1 illustrating the fabric which forms the linearly elongated pockets.
- FIG. 4 a chart relating the number of magnets required to the diameter of the support ring.
- the bag filter 10 is composed of a sheath of porous fabric 12 sewn into a cylinder having a closed lower opening 14 and an open top 16 suspended from a support ring 18.
- Two handles 20 are sewn to the porous fabric sheath 12 around the support ring 18 to provide for insertion and removal of a filter bag into and from filtration equipment.
- At least two linearly elongated pockets 22 are sewn to the porous sheath 12 to contain magnets 24.
- the magnet 24, as illustrated in FIG. 2, has a stainless steel circular handle 26 at the upper end for easy removal and insertion of the magnet 24 into the pocket 22 of the bag filter 10.
- the cross-section line 3--3 of FIG. 1, the inner surface 28 of pocket 22 is shown to be the same fabric as the outer surface 30 of the pocket 22.
- the bag filter 10 is inserted to filtration equipment via the handles 26.
- the support ring 18 holds the bag filter 10 in its proper position within the filtration equipment.
- the magnet 24 may be inserted into the linear pocket 22 either prior to the introduction of the bag filter 10 into the filtration equipment, or after the bag filter 10 has been properly located within the filtration equipment using the circular handle 26 on the magnet 24.
- a liquid containing metal and other particles is introduced into the bag filter 10 from the open upper end 16 in the conventional manner.
- the magnets 24 attract the metal particles contained in the liquid.
- the particles are retained against the surface 30 of the pocket 22, while the remaining liquid flows through the porous fabric sheath 12 and out bag filter 10.
- a second embodiment consists in the use of a smaller support ring 18 in which only two linear pockets 22 are sewn into the porous fabric sheath 12 to contain two magnets 24.
- the bag filter 10 can be made of the appropriate size and contain the appropriate number of magnets 24 to address a variety of applications.
- the bag filters can be of different lengths.
- the length of the bag filter is only limited by the size of magnets available. Currently, magnets are available in 12, 18, 24 and 32 inch lengths. Additional flexibility and support can also be determined by the type and size of support ring used. Support rings are currently used from about 6" to about 9" in diameter. The size decision is based upon the associated filtering equipment. The standard size ring is generally 7" in diameter. Rings can be made of various materials including carbon steel, stainless steel, or plastics. The material chosen must be appropriate for the anticipated use.
- the fabric which is used to form the filter is carefully selected for the particular application.
- This fabric choice is based upon the properties of the fabric including its resiliency, heat resistence, chemical compatability and porosity.
- the user must also factor into account what contaminants are contained in the liquid to be filtered.
- NOMEX® poly(m-phenylene isopthalamide)
- Other fabrics' compositions including polyesters, polypropylenes, nylons, acetate and rayons have been used when temperature concerns are not the controlling issue.
- the fabrics used have openings ranging in size from about 1 to about 800 microns.
- the polypropylene fabric which is used ranges in weight from about 10 to about 18 ounces per square yard.
- the polyester fabrics range in weight from about 8 to about 18 ounces per square yard.
- the thickness of the polypropylene fabric ranges from about 0.055 to about 0.130 inches.
- the acetate fabrics range in thickness from about 0.05 to about 0.250 inches, while the polyamide fabrics range in thickness from about 0.060 to about 0.170 inches.
- the polyester fabrics range in thickness from about 0.055 to about 0.150 inches.
- a liquid will pass through the polypropylene fabrics at a rate from about 10 to about 350 gallons per minute (gpm), while the polyester will conduct liquid at a rate from about 10 to about 550 gpm.
- the pockets are typically made from the same fabric as the remainder of the bag filter.
- the pockets are formed so the outer side, which has a greater surface area, is situated so it will face the interior of the filter and come into contact with the liquid. This allows the pocket to come into contact with and trap a greater number of the metal particles so the magnet contained in the pocket can work more effectively.
- the magnets are Ceramic 5 or Ceramic 8. This is a rating means assigned by the Magnetic Materials Producers Association (hereinafter "MMPA") according to their publication entitled, "The Standard Specification for Permanent Magnet Materials.”
- MMPA Magnetic Materials Producers Association
- the MMPA will only classify a magnet as a “permanent magnet material” if the magnet is capable of retaining its strength over its useful life.
- a permanent magnet material may only lose one-half of 1% of its strength every 100 years.
- Permanent magnet materials also have a coercive force generally greater than 120 Oersteds (hereinafter "Oe").
- a ferrite or ceramic permanent magnet has the general formula of MO 6Fe 2 O 3 , wherein "M” generally represents barium, strontium, or a combination thereof. While Ceramic 5 and Ceramic 8 refer to the original MMPA classifications, recently, the MMPA has created a brief designation which is based upon the maximum energy product and intrinsic coercive force of the magnet. For example, a Ceramic 5 magnet has a brief designation of 3.4/2.5. This brief designation means the maximum energy product of a Ceramic 5 magnet is 3.40 megagauss-oersteds (MGO) and an intrinsic coercive force of 2500 Oe (2.5 kOe). A Ceramic 8 magnet may also be classified under the brief designation of 3.5/3.1.
- the Ceramic 8 brief designation means the maximum energy product of the magnet is 3.5 MG), while the intrinsic course of force is 3050, rounded to 3.1 kOe.
- the other two measurements of magnetic properties which are applicable to a Ceramic 5 magnet are a residual induction of at least 3800 gauss and a coercive force of at least 2400 O3.
- a Ceramic 8 magnet has a residual induction of 3850 gauss and a coercive force of 2950 Oe.
- the International Electrotechnical Commission (IEC) uses a different classification system for naming magnets. For example, a Ceramic 5 magnet would be designated an Sl-1-6 magnet by the IEC, while a Ceramic 8 magnet would be Sl-1-5. The IEC designations are merely provided as a cross-reference.
- a Ceramic 5 and Ceramic 8 magnet basically have the same strength.
- a Ceramic 8 magnet is heat resistent and can be used in this application in combination with a polyester or NOMEX® based fabric for filtering a high temperature liquid.
Landscapes
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Materials (AREA)
- Filtration Of Liquid (AREA)
Abstract
Description
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/852,328 US5217610A (en) | 1992-03-18 | 1992-03-18 | Apparatus for removing metal particles from a liquid and method for making same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/852,328 US5217610A (en) | 1992-03-18 | 1992-03-18 | Apparatus for removing metal particles from a liquid and method for making same |
Publications (1)
Publication Number | Publication Date |
---|---|
US5217610A true US5217610A (en) | 1993-06-08 |
Family
ID=25313046
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US07/852,328 Expired - Fee Related US5217610A (en) | 1992-03-18 | 1992-03-18 | Apparatus for removing metal particles from a liquid and method for making same |
Country Status (1)
Country | Link |
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US (1) | US5217610A (en) |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5607584A (en) * | 1994-10-04 | 1997-03-04 | Cuno Incorporated | Filter cells providing lifting means and related methods |
DE19731458C1 (en) * | 1997-07-22 | 1998-11-19 | Brueninghaus Hydromatik Gmbh | Sensor detecting ferromagnetic particles in fluids, particularly suitable for monitoring wear |
WO2001045888A1 (en) * | 1999-12-20 | 2001-06-28 | The Gleason Works | Compound mixer and filter for lapping machine |
EP1149632A1 (en) * | 2000-04-26 | 2001-10-31 | USF Filtration | Process of cleaning magnetic candles and apparatus used in the process |
US6637601B2 (en) * | 2000-01-17 | 2003-10-28 | Timothy Donald Mossip | Fluted static stack agitator |
US7174957B1 (en) * | 2004-06-08 | 2007-02-13 | Wood Group Esp, Inc. | Magnetic bailer |
US20070138103A1 (en) * | 2005-11-02 | 2007-06-21 | Klatt Darrell C | Magnetic separation in fluids |
US20080308478A1 (en) * | 2007-06-13 | 2008-12-18 | Stern Samuel B | Screen for swimming pool skimmer and method of using same |
US20110309009A1 (en) * | 2008-04-17 | 2011-12-22 | Innovar Engineering As | Cleaning magnet device for cleaning drilling fluid |
ITMI20120033A1 (en) * | 2012-01-13 | 2013-07-14 | Far Rubinetterie S P A | MAGNETIC IMPURITY SEPARATOR FOR HEATING AND / OR COOLING SYSTEMS |
WO2013138093A1 (en) * | 2012-03-13 | 2013-09-19 | Amt International, Inc. | Magnetic filter for refining and chemical industries |
US20140027364A1 (en) * | 2012-07-26 | 2014-01-30 | Joel Vale | Internal Magnetic Filter for Hydraulic Systems |
CN108253122A (en) * | 2018-02-05 | 2018-07-06 | 天津五机电设备有限公司 | Open filter built in oil sump |
WO2019233957A1 (en) * | 2018-06-04 | 2019-12-12 | Ibs Filtran Kunststoff-/ Metallerzeugnisse Gmbh | Operating liquid container, closing element and cleaning device |
US20230390674A1 (en) * | 2022-06-03 | 2023-12-07 | Todd Ewing | Liquid Filtering Bag |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1972264A (en) * | 1931-11-21 | 1934-09-04 | Millie Patent Holding Co Inc | Receptacle |
US2789655A (en) * | 1953-08-03 | 1957-04-23 | Ralph A Michael | Magnetic dust traps or filters |
US3419151A (en) * | 1966-11-15 | 1968-12-31 | American Felt Co | Strainer bag construction |
US4067810A (en) * | 1976-02-09 | 1978-01-10 | Ofco, Inc. | Fluid filter magnet assembly |
US4545833A (en) * | 1984-03-08 | 1985-10-08 | Tafara Peter T | Method of making a filter bag assembly |
-
1992
- 1992-03-18 US US07/852,328 patent/US5217610A/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1972264A (en) * | 1931-11-21 | 1934-09-04 | Millie Patent Holding Co Inc | Receptacle |
US2789655A (en) * | 1953-08-03 | 1957-04-23 | Ralph A Michael | Magnetic dust traps or filters |
US3419151A (en) * | 1966-11-15 | 1968-12-31 | American Felt Co | Strainer bag construction |
US4067810A (en) * | 1976-02-09 | 1978-01-10 | Ofco, Inc. | Fluid filter magnet assembly |
US4545833A (en) * | 1984-03-08 | 1985-10-08 | Tafara Peter T | Method of making a filter bag assembly |
Cited By (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5607584A (en) * | 1994-10-04 | 1997-03-04 | Cuno Incorporated | Filter cells providing lifting means and related methods |
DE19731458C1 (en) * | 1997-07-22 | 1998-11-19 | Brueninghaus Hydromatik Gmbh | Sensor detecting ferromagnetic particles in fluids, particularly suitable for monitoring wear |
WO2001045888A1 (en) * | 1999-12-20 | 2001-06-28 | The Gleason Works | Compound mixer and filter for lapping machine |
US6637601B2 (en) * | 2000-01-17 | 2003-10-28 | Timothy Donald Mossip | Fluted static stack agitator |
EP1149632A1 (en) * | 2000-04-26 | 2001-10-31 | USF Filtration | Process of cleaning magnetic candles and apparatus used in the process |
FR2808226A1 (en) * | 2000-04-26 | 2001-11-02 | Usf Filtration | METHOD FOR CLEANING MAGNETIC CANDLES AND DEVICE USED IN THIS PROCESS |
US7174957B1 (en) * | 2004-06-08 | 2007-02-13 | Wood Group Esp, Inc. | Magnetic bailer |
US7591175B2 (en) | 2005-11-02 | 2009-09-22 | Darrell Clarry Klatt | Magnetic separation in fluids |
US7350409B2 (en) * | 2005-11-02 | 2008-04-01 | Darrell Clarry Klatt | Magnetic separation in fluids |
US20080142211A1 (en) * | 2005-11-02 | 2008-06-19 | Darrell Clarry Klatt | Magnetic separation in fluids |
US20070138103A1 (en) * | 2005-11-02 | 2007-06-21 | Klatt Darrell C | Magnetic separation in fluids |
US20080308478A1 (en) * | 2007-06-13 | 2008-12-18 | Stern Samuel B | Screen for swimming pool skimmer and method of using same |
US7553425B2 (en) * | 2007-06-13 | 2009-06-30 | Stern Samuel B | Screen for swimming pool skimmer and method of using same |
US20110309009A1 (en) * | 2008-04-17 | 2011-12-22 | Innovar Engineering As | Cleaning magnet device for cleaning drilling fluid |
US8298428B2 (en) * | 2008-04-17 | 2012-10-30 | Innovar Engineering As | Cleaning magnet device for cleaning drilling fluid |
EP2614893A1 (en) * | 2012-01-13 | 2013-07-17 | Far Rubinetterie S.P.A. | Magnetic separator of impurities for heating and/or cooling plants |
ITMI20120033A1 (en) * | 2012-01-13 | 2013-07-14 | Far Rubinetterie S P A | MAGNETIC IMPURITY SEPARATOR FOR HEATING AND / OR COOLING SYSTEMS |
WO2013138093A1 (en) * | 2012-03-13 | 2013-09-19 | Amt International, Inc. | Magnetic filter for refining and chemical industries |
KR20140125433A (en) * | 2012-03-13 | 2014-10-28 | 에이엠티 인터내셔널 인코포레이티드 | Magnetic filter for refining and chemical industries |
US8900449B2 (en) | 2012-03-13 | 2014-12-02 | Cpc Corporation, Taiwan | Magnetic filter for refining and chemical industries |
US20140027364A1 (en) * | 2012-07-26 | 2014-01-30 | Joel Vale | Internal Magnetic Filter for Hydraulic Systems |
US9028686B2 (en) * | 2012-07-26 | 2015-05-12 | Bbb Industries, Llc | Internal magnetic filter for hydraulic systems |
US9457300B2 (en) | 2012-07-26 | 2016-10-04 | BBB Industries LLC | Internal magnetic filter for hydraulic systems |
CN108253122A (en) * | 2018-02-05 | 2018-07-06 | 天津五机电设备有限公司 | Open filter built in oil sump |
WO2019233957A1 (en) * | 2018-06-04 | 2019-12-12 | Ibs Filtran Kunststoff-/ Metallerzeugnisse Gmbh | Operating liquid container, closing element and cleaning device |
US20230390674A1 (en) * | 2022-06-03 | 2023-12-07 | Todd Ewing | Liquid Filtering Bag |
US11969674B2 (en) * | 2022-06-03 | 2024-04-30 | Todd Ewing | Liquid filtering bag |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: ELITE COMMERCIAL & INDUSTRIAL, INC., MICHIGAN Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNORS:MC CLAIN, JUDITH M.;HARDEN, VIRGINIA R.;REEL/FRAME:006055/0968 Effective date: 19920316 |
|
AS | Assignment |
Owner name: SHAPACK, MCCULLOUGH & KANTER, P.C., MICHIGAN Free format text: SECURITY INTEREST;ASSIGNOR:ELITE COMMERCIAL & INDUSTRIAL, INC.;REEL/FRAME:006409/0689 Effective date: 19911211 Owner name: SHAPACK, MCCULLOUGH & KANTER, P.C., MICHIGAN Free format text: SECURITY INTEREST;ASSIGNORS:ELITE COMMERCIAL & INDUSTRIAL, INC.;ELITE ENVIROMENTAL TECHNOLOGIES, INC.;QUALITY CUSTOM SEWING, INC.;AND OTHERS;REEL/FRAME:006423/0338 Effective date: 19911211 |
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